
SVS PB-1000 Pro
Score: 86/100
REL Acoustics HT MKII
Score: 84/100Rankings

The SVS PB-1000 Pro is a ported 12-inch subwoofer delivering deep 17 Hz response with 325 W RMS power and extensive app controls. Port chuffing and limited headroom in very large spaces are potential drawbacks. Suited for apartments and medium rooms seeking high-output bass in a compact package.

The REL HT/1205 MKII is a 12-inch sealed powered subwoofer delivering 500 W RMS and deep 22 Hz bass in a compact cabinet. Its high output comes with a substantial 38 lb weight and wireless capability only as an optional add-on. Ideal for enthusiasts seeking powerful, precise bass in medium-sized home-theater rooms.
| Attribute | ![]() | ![]() |
|---|---|---|
325 W | 500 Wbest | |
— | 22 Hzbest | |
820 Wbest | 800 W | |
12 inbest | 12 inbest | |
— | 12 inbest | |
| ↓ lower better | 0.5 Wbest | — |
| ↓ lower better | 42.55 lb | 38 lbbest |
300 sqft | 400 sqftbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Consumption(2) | ||
Amplifier Power (RMS) (W) | 325 W | 500 W |
Peak Power (W) | 820 W | 800 W |
Audio(1) | ||
Frequency Response (Hz) | 17-260 Hz | 22-200 Hz |
Features(1) | ||
Recommended Room Size (sqft) | 300 sqft | 400 sqft |
Build & Design(5) | ||
Enclosure Type | Ported | Sealed |
Weight (lb) | 42.55 lb | 38.0 lb |
Height (in) | 18.9 in | 15.25 in |
Width (in) | 15 in | 16.25 in |
Depth (in) | 20 in | 17.25 in |


Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the PB-1000 Pro for its upgraded 12-inch driver, powerful 325 W RMS amplifier, and sophisticated DSP that together produce precise, high-output bass with low distortion. The ported enclosure and app-based controls are highlighted as refinements over the previous model, though critics note limited headroom for very large spaces and the lack of built-in room correction or a remote.
Everyday users love the sub's ability to deliver deep, tight, earth-shaking bass that transforms small rooms, praising the intuitive app for easy setup. Common complaints revolve around port chuffing without plugs, sensitivity to placement, and the unit's weight, with some wishing for more power in larger areas.

Professional reviewers commend the HT/1205 MKII for delivering cinema-grade bass impact from a surprisingly compact enclosure, citing its powerful MOSFET-driven Class D amp and refined chassis as key strengths. They highlight its ability to rival much more expensive subwoofers while noting the added weight and the need for an optional wireless module as minor drawbacks.
“room-shaking bass with subtlety and refinement”

“ported power house”

“just big enough to be awesome”

